What Is Acrosome Its Reaction And Function?
What is acrosome? The acrosome is an organelle that develops over the front half of the head in the spermatozoa (sperm) of many animals, including …
Embryology
What are The Three Germ Layers and their Function?
Germ Layer Definition A germ layer is a group of cells in an embryo that interact with each other during the development of the embryo …
Protostome: Definition, Types, and body plans
Protostome Definition Protostomes are a clade of animals that undergo protostomy during their embryonic development. The protostomes, together with the Deuterostomes and the Xenacoelomorpha, make …
Notochord: Definition, Structure, and Function
Notochord Definition The notochord is an elastic rod which extends through Chordate organisms, providing rigid support. In the more derived Chordates, the Vertebrates, the notochord …
What is Gastrulation Its Process, and Types?
Gastrulation Definition Gastrulation is the process during embryonic development that changes the embryo from a blastula with a single layer of cells to a gastrula containing multiple …